uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/python-modules/slack-sdk/default.nix

@@ -0,0 +1,83 @@
+{ stdenv
+, lib
+, aiodns
+, aiohttp
+, boto3
+, buildPythonPackage
+, codecov
+, databases
+, fetchFromGitHub
+, flake8
+, flask-sockets
+, moto
+, pythonOlder
+, psutil
+, pytest-asyncio
+, pytestCheckHook
+, sqlalchemy
+, websocket-client
+, websockets
+}:
+
+buildPythonPackage rec {
+  pname = "slack-sdk";
+  version = "3.17.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "slackapi";
+    repo = "python-slack-sdk";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-XyxvJsALAEuAJWORhIs4bGB4vYnCbFHecerA4gTr6ak=";
+  };
+
+  propagatedBuildInputs = [
+    aiodns
+    aiohttp
+    boto3
+    sqlalchemy
+    websocket-client
+    websockets
+  ];
+
+  checkInputs = [
+    codecov
+    databases
+    flake8
+    flask-sockets
+    moto
+    psutil
+    pytest-asyncio
+    pytestCheckHook
+  ];
+
+  preCheck = ''
+    export HOME=$(mktemp -d)
+  '';
+
+  disabledTestPaths = [
+    # Exclude tests that requires network features
+    "integration_tests"
+  ];
+
+  disabledTests = [
+    # Requires network features
+    "test_start_raises_an_error_if_rtm_ws_url_is_not_returned"
+    "test_org_installation"
+    "test_interactions"
+  ];
+
+  pythonImportsCheck = [
+    "slack_sdk"
+  ];
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    description = "Slack Developer Kit for Python";
+    homepage = "https://slack.dev/python-slack-sdk/";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}